cisagov/icsnpp-c1222
Jan 2025 – Jun 2025
6 Months active
Languages Used
SpicyZeekPython
Technical Skills
Log AnalysisNetwork Protocol AnalysisReverse EngineeringZeek ScriptingLog ManagementNetwork Security
hanspeterson33
PROFILE
Hanspeterson33
Hans Peterson developed and enhanced protocol analysis and packet generation capabilities for the cisagov/icsnpp-c1222 repository over six months. He implemented comprehensive logging and observability features for the C12.22 protocol using Zeek scripting, enabling detailed auditing and improved incident response. Hans also designed and refactored packet generation logic in Python and Scapy, supporting robust test tooling and dynamic security service handling. His work included creating new log types, refining data handling, and aligning packet structures with protocol specifications. By focusing on maintainability, traceability, and security, Hans delivered solutions that improved monitoring, testing, and reliability for industrial network protocol workflows.
Overall Statistics
Feature vs Bugs
88%Features
Repository Contributions
15Total
Bugs
1
Commits
15
Features
7
Lines of code
3,243
Activity Months6
Your Network
56 people
Work History
June 2025
1 Commits
Jun 1, 2025Monthly summary for 2025-06 focusing on feature delivery and bug fixes for cisagov/icsnpp-c1222, with emphasis on security service packet generation reliability.
1 Commits
Jun 1, 2025Monthly summary for 2025-06 focusing on feature delivery and bug fixes for cisagov/icsnpp-c1222, with emphasis on security service packet generation reliability.
June 2025
May 2025
4 Commits • 3 Features
May 1, 2025Monthly performance summary for May 2025, focusing on business value and technical execution across the cisagov/icsnpp-c1222 repository.
May 2025
4 Commits • 3 Features
May 1, 2025Monthly performance summary for May 2025, focusing on business value and technical execution across the cisagov/icsnpp-c1222 repository.
April 2025
1 Commits • 1 Features
Apr 1, 2025Month: 2025-04 Concise monthly performance summary highlighting business value and technical achievements for cisagov/icsnpp-c1222. Overall: Focused on feature delivery and test tooling to enable robust validation of C12.22 Read Write Service and Identity Service operations, with no major defects fixed this month. The work lays groundwork for improved interoperability testing and faster defect isolation in CI pipelines.
1 Commits • 1 Features
Apr 1, 2025Month: 2025-04 Concise monthly performance summary highlighting business value and technical achievements for cisagov/icsnpp-c1222. Overall: Focused on feature delivery and test tooling to enable robust validation of C12.22 Read Write Service and Identity Service operations, with no major defects fixed this month. The work lays groundwork for improved interoperability testing and faster defect isolation in CI pipelines.
April 2025
March 2025
4 Commits • 1 Features
Mar 1, 2025March 2025 – cisagov/icsnpp-c1222: Delivered enhanced observability and auditability for C1222 protocol interactions. Implemented trace_service_log, wait service logging, and (de)registration logging, plus a refactor of epsemControl logging to produce clearer, human-readable outputs. These changes improve monitoring, auditing, and debugging, reducing mean time to detect and resolve issues.
March 2025
4 Commits • 1 Features
Mar 1, 2025March 2025 – cisagov/icsnpp-c1222: Delivered enhanced observability and auditability for C1222 protocol interactions. Implemented trace_service_log, wait service logging, and (de)registration logging, plus a refactor of epsemControl logging to produce clearer, human-readable outputs. These changes improve monitoring, auditing, and debugging, reducing mean time to detect and resolve issues.
February 2025
3 Commits • 1 Features
Feb 1, 2025February 2025: Delivered comprehensive, centralized logging for the C1222 protocol services in cisagov/icsnpp-c1222, enabling detailed request/response capture across Logon, Security, and Read/Write services to support auditing, troubleshooting, and compliance. Implemented in three commits (Logon Service Logging, Adding logging for security service, Read Write Service Log), providing end-to-end visibility and consistent service-level logs for faster root-cause analysis. No major bugs fixed this period; the work focused on feature delivery and improving diagnostics. Overall impact includes improved traceability, faster incident response, and stronger security posture. Technologies/skills demonstrated include observability instrumentation, centralized logging, service-level logging, auditing, and incident response readiness within the cisagov/icsnpp-c1222 repository.
3 Commits • 1 Features
Feb 1, 2025February 2025: Delivered comprehensive, centralized logging for the C1222 protocol services in cisagov/icsnpp-c1222, enabling detailed request/response capture across Logon, Security, and Read/Write services to support auditing, troubleshooting, and compliance. Implemented in three commits (Logon Service Logging, Adding logging for security service, Read Write Service Log), providing end-to-end visibility and consistent service-level logs for faster root-cause analysis. No major bugs fixed this period; the work focused on feature delivery and improving diagnostics. Overall impact includes improved traceability, faster incident response, and stronger security posture. Technologies/skills demonstrated include observability instrumentation, centralized logging, service-level logging, auditing, and incident response readiness within the cisagov/icsnpp-c1222 repository.
February 2025
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 (Month: 2025-01) monthly summary for cisagov/icsnpp-c1222. Key feature delivered: Zeek C1222 UserInformation logging with a new log type capturing MAC, padding, and whether data is encrypted or plain epsem; refactored service code extraction logic for readability and maintainability. Major bug fixed: MAC logging corrected to hex string representation for consistent data handling. Overall impact: improved observability, data handling, and business insights into user-related data flows; maintainability benefits from code refactor. Technologies/skills demonstrated: Zeek protocol analyzer, enhanced logging and observability, hex encoding, data handling, and code refactor for maintainability.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 (Month: 2025-01) monthly summary for cisagov/icsnpp-c1222. Key feature delivered: Zeek C1222 UserInformation logging with a new log type capturing MAC, padding, and whether data is encrypted or plain epsem; refactored service code extraction logic for readability and maintainability. Major bug fixed: MAC logging corrected to hex string representation for consistent data handling. Overall impact: improved observability, data handling, and business insights into user-related data flows; maintainability benefits from code refactor. Technologies/skills demonstrated: Zeek protocol analyzer, enhanced logging and observability, hex encoding, data handling, and code refactor for maintainability.
Activity
Loading activity data...
Quality Metrics
Correctness86.6%
Maintainability85.4%
Architecture82.0%
Performance77.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
PythonSpicyZeek
Technical Skills
C12.22 ProtocolLog AnalysisLog ManagementNetwork Packet GenerationNetwork Protocol AnalysisNetwork SecurityPacket AnalysisPacket GenerationProtocol AnalysisPythonPython ScriptingReverse EngineeringScapyScriptingSecurity Monitoring
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline